class A {
    	float computer(float x,float y) {
      		return x+y;
 	}
  	public int g(int x,int y) {
	  	return x+y;
	}
}
class B extends A {
    	float computer (float x,float y) {
      		return x*y;
 	}
}
public class Example5_5 {
     	public static void main(String args[]) {
       		B b=new B();
	 	double result=b.computer(8,9);    //b调用重写的方法
	   	System.out.println(result);  
      		int m=b.g(12,8);                 //b调用继承的方法
       		System.out.println(m);      
  	} 
}
